typo: rename SetRollingInternal to SetRollingInterval (#97)

Closes #96

Author: ntark

README.md

@@ -87,7 +87,7 @@ var log = new LoggerConfiguration()
 
 		// sink will use the IMongoDatabase instance provided
 		cfg.SetMongoDatabase(mongoDbInstance);
-		cfg.SetRollingInternal(RollingInterval.Month);
+		cfg.SetRollingInterval(RollingInterval.Month);
     })
 	.CreateLogger();
 ```

src/Serilog.Sinks.MongoDB/LoggerConfigurationMongoDBExtensions.cs

@@ -68,7 +68,7 @@ public static LoggerConfiguration MongoDBBson(
                 cappedMaxSizeMb ?? MongoDBSinkDefaults.CappedCollectionMaxSizeMb,
                 cappedMaxDocuments);
 
-        if (rollingInterval.HasValue) cfg.SetRollingInternal(rollingInterval.Value);
+        if (rollingInterval.HasValue) cfg.SetRollingInterval(rollingInterval.Value);
 
         cfg.Validate();
 

src/Serilog.Sinks.MongoDB/Sinks/MongoDB/MongoDBSinkConfiguration.cs

@@ -71,7 +71,7 @@ public void Validate()
     ///     Set the RollingInterval. (Default: RollingInterval.Infinite)
     /// </summary>
     /// <param name="rollingInterval"></param>
-    public void SetRollingInternal(RollingInterval rollingInterval)
+    public void SetRollingInterval(RollingInterval rollingInterval)
     {
         this.RollingInterval = rollingInterval;
     }

test/Serilog.Sinks.MongoDB.Tests/LoggerConfigurationMongoDBExtensionsTests.cs

@@ -34,7 +34,7 @@ private static void TestCollectionAndDocumentExists(RollingInterval? rollingInte
                        {
                            configuration.SetMongoDatabase(mongoDatabase);
                            if (rollingInterval is not null)
-                               configuration.SetRollingInternal(rollingInterval.Value);
+                               configuration.SetRollingInterval(rollingInterval.Value);
                            configuration.SetCollectionName(MongoCollectionName);
                        }).CreateLogger())
         {